var iHeight = 290 ;
var collapseStep = 10 ;
var aniSpeed = 2;

function minimisepanel(objDiv)
{
	var t =  parseInt( YAHOO.util.Dom.getStyle(objDiv,'height')); 
	YAHOO.util.Dom.setStyle(objDiv, 'opacity',t/iHeight);
	if(t>0)
	{	t=t-collapseStep ;
		if(t<=0){YAHOO.util.Dom.setStyle(objDiv, 'display','none');}
		YAHOO.util.Dom.setStyle(objDiv, 'height',t);
		setTimeout( "minimisepanel('"+objDiv+"');",aniSpeed);
	}
	//Hide2(objDiv);
}

function maximisepanel(objDiv)
{   
  // alert(objDiv);
	YAHOO.util.Dom.setStyle(objDiv, 'display','block')
	var t = parseInt( YAHOO.util.Dom.getStyle(objDiv, 'height'));
	YAHOO.util.Dom.setStyle(objDiv, 'opacity',t/iHeight );
	if(t<=(iHeight-collapseStep))
	{	t=t+collapseStep ;
		YAHOO.util.Dom.setStyle(objDiv, 'height',t);
		setTimeout( "maximisepanel('"+objDiv+"');",aniSpeed);
	}
}


function ShowHide(objID,imgref)
{
   
    //document.all.item(objID).style.display = "none";
    //alert("entra");
	if (YAHOO.util.Dom.getStyle(objID, 'display')=='block')
	{
	minimisepanel(objID);
	//alert("ShowHide mini:" + objID);
	//imgref.src="images/downarr.gif";
	return
	}
	//alert("ShowHide maxi:" + objID);	
	maximisepanel(objID);
	//imgref.src="images/uparr.gif";
}
function Hide(objID,imgref)
{
	//alert("Hide:" + objID);
    document.all.item(objID).style.display = "none";
	minimisepanel(objID);
}
function Show(objID,imgref)
{
	//alert("Show:" + objID);
    document.all.item(objID).style.display = "";
	minimisepanel(objID);
}
function Hide2(objID)
{
    document.all.item(objID).style.display = "none";
}